Cleanup: reformat trailing comments that caused line wrapping

source/blender/blenkernel/intern/action.c

@@ -846,8 +846,9 @@ void BKE_pose_copy_data_ex(bPose **dst,
     }
 
     if (copy_constraints) {
-      BKE_constraints_copy_ex(
-          &listb, &pchan->constraints, flag, true); /* BKE_constraints_copy NULLs listb */
+      /* #BKE_constraints_copy NULL's `listb` */
+      BKE_constraints_copy_ex(&listb, &pchan->constraints, flag, true);
+
       pchan->constraints = listb;
 
       /* XXX: This is needed for motionpath drawing to work.

source/blender/blenkernel/intern/curve_deform.c

@@ -173,12 +173,10 @@ static bool calc_curve_deform(
     copy_qt_qt(quat, new_quat);
     copy_v3_v3(cent, co);
 
-    /* zero the axis which is not used,
-     * the big block of text above now applies to these 3 lines */
-    quat_apply_track(quat,
-                     axis,
-                     (ELEM(axis, 0, 2)) ? 1 :
-                                          0); /* up flag is a dummy, set so no rotation is done */
+    /* Zero the axis which is not used,
+     * the big block of text above now applies to these 3 lines.
+     * The `upflag` argument may be a dummy, set so no rotation is done. */
+    quat_apply_track(quat, axis, (ELEM(axis, 0, 2)) ? 1 : 0);
     vec_apply_track(cent, axis);
     cent[index] = 0.0f;
 

source/blender/blenkernel/intern/fluid.c

@@ -1615,8 +1615,9 @@ static void emit_from_particles(Object *flow_ob,
         }
       }
 
-      state.time = BKE_scene_frame_get(
-          scene); /* DEG_get_ctime(depsgraph) does not give subframe time */
+      /* `DEG_get_ctime(depsgraph)` does not give sub-frame time. */
+      state.time = BKE_scene_frame_get(scene);
+
       if (psys_get_particle_state(&sim, p, &state, 0) == 0) {
         continue;
       }

source/blender/blenkernel/intern/object.c

@@ -957,8 +957,8 @@ static void object_blend_read_lib(BlendLibReader *reader, ID *id)
         ob, eModifierType_Fluidsim);
 
     if (fluidmd && fluidmd->fss) {
-      BLO_read_id_address(
-          reader, ob->id.lib, &fluidmd->fss->ipo); /* XXX deprecated - old animation system */
+      /* XXX: deprecated - old animation system. */
+      BLO_read_id_address(reader, ob->id.lib, &fluidmd->fss->ipo);
     }
   }
 

source/blender/blenkernel/intern/particle.c

@@ -384,8 +384,9 @@ void BKE_particle_partdeflect_blend_read_lib(BlendLibReader *reader, ID *id, Par
 static void particle_settings_blend_read_lib(BlendLibReader *reader, ID *id)
 {
   ParticleSettings *part = (ParticleSettings *)id;
-  BLO_read_id_address(
-      reader, part->id.lib, &part->ipo); /* XXX deprecated - old animation system */
+
+  /* XXX: deprecated - old animation system. */
+  BLO_read_id_address(reader, part->id.lib, &part->ipo);
 
   BLO_read_id_address(reader, part->id.lib, &part->instance_object);
   BLO_read_id_address(reader, part->id.lib, &part->instance_collection);

source/blender/blenkernel/intern/scene.c

@@ -1466,8 +1466,8 @@ static void scene_blend_read_lib(BlendLibReader *reader, ID *id)
     IDP_BlendReadLib(reader, seq->prop);
 
     if (seq->ipo) {
-      BLO_read_id_address(
-          reader, sce->id.lib, &seq->ipo); /* XXX deprecated - old animation system */
+      /* XXX: deprecated - old animation system. */
+      BLO_read_id_address(reader, sce->id.lib, &seq->ipo);
     }
     seq->scene_sound = NULL;
     if (seq->scene) {

source/blender/blenkernel/intern/sound.c

@@ -187,8 +187,8 @@ static void sound_blend_read_data(BlendDataReader *reader, ID *id)
 static void sound_blend_read_lib(BlendLibReader *reader, ID *id)
 {
   bSound *sound = (bSound *)id;
-  BLO_read_id_address(
-      reader, sound->id.lib, &sound->ipo); /* XXX deprecated - old animation system */
+  /* XXX: deprecated - old animation system. */
+  BLO_read_id_address(reader, sound->id.lib, &sound->ipo);
 }
 
 static void sound_blend_read_expand(BlendExpander *expander, ID *id)